package C;
// 不要把package复制进答案里
//--------------------------------------------

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        String line = in.readLine();
        int input = Integer.valueOf(line);
    }
}
